Effect of different inoculants on mechanical properties of high strength gray cast iron samples
Four kinds of inoculants were selected in the experiment, which were 75sife, SRSI, basi, sisR (80%) and 75fesi (20%) composite […]
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Modification of gray cast iron
The modification effect of gray cast iron is affected by many factors, such as type, composition, size and oxidation degree
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Burden calculation of gray cast iron
50KW medium frequency induction furnace was used for smelting in the test, with 25 kg charge per group.Proportioning principle: proportioning
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Influence of impurity element titanium on cutting performance of gray cast iron
The comparative experiment of cutting performance of gray cast iron was carried out on CA6140 lathe, and the nsdn-45 °
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Melting of rare earth gray cast iron
1.Charge The quality of furnace charge mainly depends on the content of trace elements in raw materials. The trace elements
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Role of rare earth in gray cast iron
1.Interaction between rare earth and sulfur Sulfur can cause “hot brittleness” of cast iron during smelting of gray cast iron
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Effect of riser in sand casting
The effect of checking the riser mainly includes the check of feeding range and feeding weight. One method to calculate
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Technology of sand casting bracket steel castings
1. Problem description Sand casting bracket steel casting, steel casting No. 20e-70-k1432. The steel casting is a new external product
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Influence of impurity element titanium on Microstructure of gray cast iron
The microstructure of metallographic samples of gray cast iron after polishing and corrosion was analyzed. The graphite morphology is shown
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Simulation of shrinkage cavity formation in cylindrical steel castings
This steel casting is also an actual pouring example to test the simulation accuracy of the software. The shape of
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Sand casting process design
(1) Modulus calculation To calculate and design the riser, first analyze the product structure and calculate the modulus of thick
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Description of casting defects of cast steel joints
The description and general impression of casting defects of various cast steel joints are as follows: (1) The four cast
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Boundary contour and solidification state display of sand casting
In the visualization of metal solidification numerical simulation, when the sand casting solidifies gradually, to display the solidification state, it
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Influence of impurity element titanium on mechanical properties of gray cast iron
The mechanical properties of samples melted and poured with different pig iron are shown in the table. It can be
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Simulation of shrinkage porosity and shrinkage cavity defects in bowl lined steel castings
Bowl lining steel castings are the products produced by the machinery factory of Shougang Mining Company. The material is wear-resistant
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Display diagram of shrinkage porosity and shrinkage cavity defects of sand castings
The display of target data such as casting defects is an important part of 3D data field visualization of numerical
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Characteristics of casting defects in cast steel joint samples
Some typical samples were selected to analyze the distribution characteristics of casting defects. (1) ZG-03 is a multi pipe intersection
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Sectional view of sand casting entity
Sometimes it is necessary to know the internal information of sand castings, so it is also necessary to display the
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Calculation example of shrinkage porosity and shrinkage cavity defects in nodular iron castings
For the simulation of nodular iron castings, the following simulation test is carried out by taking the actual nodular iron
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Prediction of shrinkage porosity defects in nodular iron castings
The formation of shrinkage porosity is due to the wide crystallization temperature range of the alloy, which tends to paste
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Comparative study on cutting tool wear of gray cast iron with different alloying treatments
For the wear test of gray cast iron cutting tools, DWC CO (YG) cemented carbide standard tools are used, and
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Magnetic particle testing and ultrasonic testing of cast steel joints
1.Magnetic particle inspection The statistical results of magnetic particle flaw detection are given in the table. Four crack defects are
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Simulation of shrinkage cavity formation in plate casting with central riser
This flat casting was used in the riser verification experiment of secondary shrinkage formation carried out by Saburo Lintian in
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Prediction of shrinkage porosity and shrinkage cavity defects in sand castings
1.Principle introduction During metal solidification, the volume shrinkage and solidification shrinkage between liquid and solid phase lines are the main
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Simulation example of temperature field in sand casting
For the calculation and Simulation of the temperature field of sand casting, the following takes the large casting thrust bearing
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Solidification and heat transfer process of sand casting
Heat is usually transmitted from one part to another through heat conduction, convection and radiation. In the process of sand
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Casting defects of coupler tongue in trial production of railway steel castings
The casting defects of coupler tongue include crack, sand inclusion, mechanical sand sticking and other defects. In the actual trial
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NDT for casting defects of cast steel joints
According to the summary, a total of 50 casting defects were found in 24 cast steel joints, and the average
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Comparative study on cutting properties of gray cast iron with different alloying treatments
In the process of gray cast iron cutting experiment, the measurement cycle is 20 s, the cutting length of the
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Development stage of numerical simulation technology of casting process
The level of numerical simulation has reached a high level in developed countries, especially in the United States and Europe